change hard coded default wright in add_edge

Xuefeng-Zhu · Xuefeng-Zhu · commit 4e3370559d54 · 2015-05-10T23:53:37.000-05:00
diff --git a/graphs/graph.py b/graphs/graph.py
@@ -38,7 +38,7 @@ def has_node(self, node):
         """
         return node in self.node_neighbors
 
-    def add_edge(self, edge, wt=1, label=""):
+    def add_edge(self, edge, wt=self.DEFAULT_WEIGHT, label=""):
         """
         Add an edge to the graph connecting two nodes.
         An edge, here, is a pair of node like C(m, n) or a tuple
